diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,8 +1,20 @@
 # Rust rewrite of GNU cat
 
-## Dependencies
-- `mold` - a high speed linker
-- `clang`
+``` text
+catr 0.1.0
+    Minh Tran <minh@minhtrannhat.com>
+Rust rewrite of cat
+
+Usage: catr [OPTIONS] [FILE]...
+Arguments:
+  [FILE]...  Input file(s) [default: -] [default: -]
+
+Options:
+  -n             Number lines
+  -b             Number nonblank lines
+  -h, --help     Print help
+  -V, --version  Print version
+```
 
 ## Build
 `cargo build`